html,
body {
  background-color: #2b2e3e;
}

.area {
  width: 800px;
  position: fixed;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  background-color: #fff;
  transition: box-shadow 0.3s ease;
  border-radius: 4px;
}

.top {
  height: 60px;
  background-color: #2746b1;
}
.top img {
  height: 38px;
  width: 130px;
  margin: 0 20px 6px;
}

.top h1 {
  display: inline-block;
  font-size: 24px;
  margin: 0;
  line-height: 60px;
  color: #d2e2e0;
}

.row {
  display: flex;
}

.left {
  width: 363px;
  height: 358px;
  overflow: hidden;
  margin: 20px;
}
.left img {
  width: 100%;
  height: 100%;
}

.form-box {
  box-sizing: border-box;
  flex: 1;
  padding: 20px;
  position: relative;
}

.box {
  width: 360px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;
}

.header {
  display: flex;
  align-items: center;
}

.header h2 {
  font-size: 22px;
}

.form-group {
  position: relative;
}

.iconfont {
  position: absolute;
  left: 4px;
  top: 6px;
  font-weight: bold;
  color: #a9a9aa;
  width: 36px;
}

input.form-control {
  padding-left: 40px;
}